clepsydra

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Related to Clypsydra: water clock

clep·sy·dra

 (klĕp′sĭ-drə)
n. pl. clep·sy·dras or clep·sy·drae (-drē′)
An ancient device that measured time by marking the regulated flow of water through a small opening. Also called water glass.

[Latin, from Greek klepsudrā : kleptein, kleps-, to steal + hudōr, water; see wed- in Indo-European roots.]

clepsydra

(ˈklɛpsɪdrə)
n, pl -dras or -drae (-ˌdriː)
(Horology) an ancient device for measuring time by the flow of water or mercury through a small aperture. Also called: water clock
[C17: from Latin, from Greek klepsudra, from kleptein to steal + hudōr water]

clep•sy•dra

(ˈklɛp sɪ drə)

n., pl. -dras, -drae (-ˌdri)
[1640–50; < Latin < Greek klepsýdra <kléptein to steal + hýdōr water]

clepsydra

an instrument for measuring time by the controlled flow of water or mercury through a small opening.
See also: Instruments, Time
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clepsydra - clock that measures time by the escape of waterclepsydra - clock that measures time by the escape of water
clock - a timepiece that shows the time of day